<template>
  <div class="dashboard-container">
    <div class="app-container">
      <page-tools :show-before="true">
        <span slot="before">共{{ page.total }}条记录</span>
        <template slot="after">
          <el-button
            size="small"
            type="warning"
            @click="$router.push('/import?type=user')"
            >导入</el-button
          >
          <el-button size="small" type="danger" @click="exportData"
            >导出</el-button
          >
          <el-button
            size="small"
            type="primary"
            icon="plus"
            @click="showDialog = true"
            >新增员工</el-button
          >
        </template>
      </page-tools>

      <!-- 放置表格和分页 -->
      <el-card v-loading="loading">
        <el-table border :data="list">
          <el-table-column label="序号" sortable="" type="index" />
          <el-table-column label="姓名" sortable="" prop="username" />
          <el-table-column label="头像" align="center">
            <template slot-scope="{ row }">
              <img
                @click="showQrCode(row.staffPhoto)"
                slot="reference"
                v-imagerror="require('@/assets/common/bigUserHeader.png')"
                :src="row.staffPhoto"
                style="border-radius:50%;width:100px;height:100px;padding:10px"
              />
              <!-- {{ row.staffPhoto }} -->
            </template>
          </el-table-column>
          <el-table-column label="工号" sortable="" prop="workNumber" />
          <el-table-column
            label="聘用形式"
            sortable=""
            prop="formOfEmployment"
            :formatter="formatEmployment"
          />
          <el-table-column label="部门" sortable="" prop="departmentName" />
          <el-table-column
            label="入职时间"
            sortable=""
            align="center"
            prop="timeOfEntry"
          >
            <template slot-scope="obj">
              {{ obj.row.timeOfEntry | formatDate }}
            </template>
            <!-- <template slot-scope="{ row }">
              {{ row.timeOfEntry | formatDate }}
            </template> -->
          </el-table-column>
          <el-table-column
            label="账户状态"
            sortable=""
            prop="enableState"
            align="center"
          >
            <template slot-scope="{ row }">
              <!-- 根据当前状态来确定是否打开开关 -->
              <el-switch :value="row.enableState === 1"></el-switch>
            </template>
          </el-table-column>
          <el-table-column label="操作" sortable="" fixed="right" width="280">
            <template slot-scope="{ row }">
              <el-button
                type="text"
                size="small"
                @click="$router.push(`/employees/detail/${row.id}`)"
                >查看</el-button
              >
              <el-button type="text" size="small">转正</el-button>
              <el-button type="text" size="small">调岗</el-button>
              <el-button type="text" size="small">离职</el-button>
              <el-button type="text" size="small" @click="editRole(row.id)"
                >角色</el-button
              >
              <el-button
                type="text"
                size="small"
                @click="deleteEmployee(row.id)"
                >删除</el-button
              >
            </template>
          </el-table-column>
        </el-table>

        <!-- 分页组件 -->
        <el-row type="flex" justify="center" align="middle" style="height:60px">
          <el-pagination
            layout="prev,pager,next"
            :page-size="page.size"
            :current-page="page.page"
            :total="page.total"
            @current-change="changePage"
          ></el-pagination>
        </el-row>
        <!-- 放置新增弹层组件 -->
        <add-employee :show-dialog.sync="showDialog" />
      </el-card>

      <!-- 放置二维码弹层组件 -->
      <el-dialog
        title="二维码"
        :visible.sync="showCodeDialog"
        @close="imgUrl = ''"
      >
        <!--         @opened="showQrCode" -->
        <el-row type="flex" justify="center">
          <canvas ref="myCanvas" />
        </el-row>
      </el-dialog>

      <!-- 放置角色分配组件 -->
      <assign-role
        ref="assignRole"
        :showRoleDialog.sync="showRoleDialog"
        :userId="userId"
      />
    </div>
  </div>
</template>

<script>
import { getEmployeeList, delEmployee } from "@/api/employees";
import EmployeeEnum from "@/api/constant/employees";
import AddEmployee from "./components/add-employee";
import assignRole from "./components/assign-role";
import { formatDate } from "@/filters";
import QrCode from "qrcode";
export default {
  components: {
    AddEmployee,
    assignRole
  },
  data() {
    return {
      loading: false,
      list: [],
      userId: "",
      page: {
        page: 1, // 当前页码
        size: 10,
        total: 0
      },
      showDialog: false,
      showCodeDialog: false,
      showRoleDialog: false
    };
  },
  created() {
    this.getEmployeeList();
  },
  methods: {
    async getEmployeeList() {
      this.loading = true;
      const { total, rows } = await getEmployeeList(this.page);
      console.log(total);
      console.log(rows, "employee");
      this.page.total = total;
      this.list = rows;
      this.loading = false;
    },
    //  newPage 是最新页码
    changePage(newPage) {
      this.page.page = newPage; // 赋值最新页码
      this.getEmployeeList();
    },

    //  格式化聘用形式
    formatEmployment(row, colm, cellValue, index) {
      //  要去找 1 所对应的值
      // console.log(EmployeeEnum);
      const obj = EmployeeEnum.hireType.find(item => item.id === cellValue);
      return obj ? obj.value : "未知";
    },

    // 删除员工
    async deleteEmployee(id) {
      try {
        await this.$confirm("您确定删除该员工吗");
        await delEmployee(id);
        this.getEmployeeList();
        this.$message.success("删除员工成功");
      } catch (error) {
        console.log(error);
      }
    },

    //  导出 excel 数据
    exportData() {
      // 做操作  表头对应关系
      const headers = {
        姓名: "username",
        手机号: "mobile",
        入职日期: "timeOfEntry",
        聘用形式: "formOfEmployment",
        转正日期: "correctionTime",
        工号: "workNumber",
        部门: "departmentName"
      };

      //  懒加载
      import("@/vendor/Export2Excel").then(async excel => {
        const { rows } = await getEmployeeList({
          page: 1,
          size: this.page.total
        });
        // console.log(rows, "rows---");
        const data = this.formatJson(headers, rows);
        // console.log("headers", headers);

        const multiHeader = [["姓名", "主要信息", "", "", "", "", "部门"]];
        const merges = ["A1:A2", "B1:F1", "G1:G2"];

        // console.log(data);
        excel.export_json_to_excel({
          header: Object.keys(headers),
          data,
          filename: "员工信息表",
          autoWith: true,
          bookType: "xlsx",
          multiHeader, // 复杂表头
          merges // 合并选项
        });

        //  获取所有的数据
      });
    },
    //  该方法负责将数组转化为二维数组
    formatJson(headers, rows) {
      //  首先遍历数组
      return rows.map(item => {
        return Object.keys(headers).map(key => {
          if (
            headers[key] === "timeOfEntry" ||
            headers[key] === "correctionTime"
          ) {
            return formatDate(item[headers[key]]); // 返回格式化之前的时间
          } else if (headers[key] === "formOfEmployment") {
            var en = EmployeeEnum.hireType.find(
              obj => obj.id === item[headers[key]]
            );
            return en ? en.value : "未知";
          }
          return item[headers[key]];
        });
      });
    },
    showQrCode(url) {
      //  url 存在的情况下  才弹出弹层
      if (url) {
        console.log(url);
        this.showCodeDialog = true; // 数据更新了  但是弹层不会立刻出现 页面的渲染是异步的
        //  有一个方法可以在上一次数据更新完毕，页面渲染完毕之后
        this.$nextTick(() => {
          // 此时可以确认已经有 ref 对象了
          QrCode.toCanvas(this.$refs.myCanvas, url); // 将地址转化成二维码
          //  如果转化的二维码后面信息是一个地址的话，就会跳转到该地址 如果不是地址就会显示内容
        });
      } else {
        console.log(url);
        this.$message.warning("该用户还未上传头像");
      }
    },

    //  编辑角色
    async editRole(id) {
      this.userId = id; // props 传值是异步的
      await this.$refs.assignRole.getUserDetailById(id); // 父组件调用子组件方法
      this.showRoleDialog = true;
    }
  }
};
</script>

<style></style>
